Error (400): redirect_uri_mismatch on re-auth

Hello @adamkadmon,

You need to set the redirect URI, kindly follow our documentation here.

Also, you need to select the web application and redirect URI as shown in the screenshot.

Hopefully, this will resolve the issue.

Thank you

Hello @adamkadmon,

Sorry, we missed your ticket earlier.

Looks like the link for documentation and screenshot is parsed. Kindly find the doc here: https://fluentsmtp.com/docs/connect-gmail-or-google-workspace-emails-with-fluentsmtp/

Here, in the documentation, you need to select the web application as shown in the screenshot: https://prnt.sc/ixnhNDjng9dy

Thank you